I teach an introductory course on mammal identification and natural history. This blog serves as a place for all of those stories, photos, facts and fun stuff that simply won't fit in the course. Type in your email below to follow this blog!

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Thursday, September 22, 2011

Mink Den?

Mink nest
(Muller Field Station, Richmond, NY 09/2011)

Last weekend was the first session of my Wetland Mammals class. We stayed at the college's Muller Field Station. A few students were exploring and lifted a board only to have a mink dart out from under it and into the water. I took this photo and assume that the nest-like structure was made by the mink. I have read that mink are somewhat nomadic except during the breeding season and may move from one spot to the next each day. I am in the habit of only using the term den to refer to the place where young are raised, not simply the place you spend the night (or day). Perhaps I am being too fussy....

Mink scat
(Muller Field Station, Richmond, NY 09/2011)

In addition to the dried grass nest, there were several scats under the board as well. Now, I know I just wrote that mink MAY NOT use the same resting place for more than one night, but by default, that means that they MAY as well. This looked like a particularly good spot! It was within 5 feet of the channel, it had that nice drain pipe access and with the fields to the upland, it seemed to have it all. One of the scats was very runny. It was hard to photograph, but you can see it if you look closely tot he right of the obvious scat in the photo.

The students set eight camera traps and I set two of my own. We are due to check them in another week and I will post the results.